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Toluene decomposition using adsorption combined with plasma‐driven catalysis with gas circulation
Author(s) -
Huang Jiayu,
Dang Xiaoqing,
Qin Caihong,
Shu Yun,
Wang Hongchang,
Zhang Fan
Publication year - 2015
Publication title -
environmental progress and sustainable energy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.495
H-Index - 66
eISSN - 1944-7450
pISSN - 1944-7442
DOI - 10.1002/ep.12243
Subject(s) - toluene , chemistry , catalysis , ozone , decomposition , adsorption , yield (engineering) , selectivity , inorganic chemistry , organic chemistry , materials science , metallurgy
This work focuses on the synergistic effect of catalysis with plasma and the dominant role of reactive species for adsorbed toluene decomposition. This study indicated that ∼100% CO 2 selectivity could be obtained by plasma‐catalysis with gas circulation. In addition, ozone behavior and its contribution during adsorbed toluene decomposition were investigated. The results indicated that linear positive correlation existed between CO x yield increment by plasma‐catalysis and ozone consumed amount. However, catalytic decomposition ability of adsorbed toluene by ozone alone was limited. When ozone concentration was as high as 125 μmol/L, CO x yield with ozone‐catalysis was only 11% in 60 min, which was ∼75% lower than that with plasma‐catalysis. The results indicated that the plasma‐induced catalysis was the preferable option for adsorbed toluene decomposition than the ozone‐induced catalysis within the presented gas circulation system. Based on the analytic results of gas chromatograph/mass spectrometry, possible pathways of adsorbed toluene destruction were discussed. © 2015 American Institute of Chemical Engineers Environ Prog, 35: 386–394, 2016